feat(deflate): deprecate in preparation for removal

Cargo.toml

@@ -77,7 +77,7 @@ libp2p-autonat = { version = "0.11.0", path = "protocols/autonat" }
 libp2p-connection-limits = { version = "0.2.1", path = "misc/connection-limits" }
 libp2p-core = { version = "0.40.1", path = "core" }
 libp2p-dcutr = { version = "0.10.0", path = "protocols/dcutr" }
-libp2p-deflate = { version = "0.40.0", path = "transports/deflate" }
+libp2p-deflate = { version = "0.40.1", path = "transports/deflate" }
 libp2p-dns = { version = "0.40.0", path = "transports/dns" }
 libp2p-floodsub = { version = "0.43.0", path = "protocols/floodsub" }
 libp2p-gossipsub = { version = "0.45.1", path = "protocols/gossipsub" }

libp2p/src/lib.rs

@@ -52,10 +52,15 @@ pub use libp2p_core as core;
 #[cfg(feature = "dcutr")]
 #[doc(inline)]
 pub use libp2p_dcutr as dcutr;
+
 #[cfg(feature = "deflate")]
 #[cfg(not(target_arch = "wasm32"))]
-#[doc(inline)]
-pub use libp2p_deflate as deflate;
+#[deprecated(
+    note = "Will be removed in the next release, see https://github.com/libp2p/rust-libp2p/issues/4522 for details."
+)]
+pub mod deflate {
+    pub use libp2p_deflate::*;
+}
 #[cfg(feature = "dns")]
 #[cfg_attr(docsrs, doc(cfg(feature = "dns")))]
 #[cfg(not(target_arch = "wasm32"))]

transports/deflate/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 0.40.1 - unreleased
+
+- Deprecate in preparation for removal from the workspace.
+  See [issue 4522](https://github.com/libp2p/rust-libp2p/issues/4522) for details.
+  See [PR 4540](https://github.com/libp2p/rust-libp2p/pulls/4540).
+
 ## 0.40.0 
 
 - Raise MSRV to 1.65.

transports/deflate/Cargo.toml

@@ -3,7 +3,7 @@ name = "libp2p-deflate"
 edition = "2021"
 rust-version = { workspace = true }
 description = "Deflate encryption protocol for libp2p"
-version = "0.40.0"
+version = "0.40.1"
 authors = ["Parity Technologies <admin@parity.io>"]
 license = "MIT"
 repository = "https://github.com/libp2p/rust-libp2p"

transports/deflate/src/lib.rs

@@ -1,3 +1,4 @@
+#![allow(deprecated)]
 // Copyright 2019 Parity Technologies (UK) Ltd.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a
@@ -17,13 +18,15 @@
 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
-
 #![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]
 
 use futures::{prelude::*, ready};
 use libp2p_core::{InboundUpgrade, OutboundUpgrade, UpgradeInfo};
 use std::{io, iter, pin::Pin, task::Context, task::Poll};
 
+#[deprecated(
+    note = "Will be removed in the next release, see https://github.com/libp2p/rust-libp2p/issues/4522 for details."
+)]
 #[derive(Debug, Copy, Clone)]
 pub struct DeflateConfig {
     compression: flate2::Compression,

transports/deflate/tests/test.rs

@@ -1,3 +1,5 @@
+#![allow(deprecated)]
+
 // Copyright 2019 Parity Technologies (UK) Ltd.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a